CVE-2022-49855: net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg
Vulnerability summary
CVE-2022-49855 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 01-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg ipc_pcie_read_bios_cfg() is using the acpi_evaluate_dsm() to obtain the wwan power state configuration from BIOS but is not freeing the acpi_object. The acpi_evaluate_dsm() returned acpi_object to be freed. Free the acpi_object after use.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.20% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu96 products
- linux< 5.15.0-67.74
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1031.35
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 7e98d785ae6184c7580a33619dae8b651769ff08, < 13b1ea861e8aeb701bcfbfe436b943efa2d44029 | ≥ 7e98d785ae6184c7580a33619dae8b651769ff08, < 7560ceef4d2832a67e8781d924e129c7f542376f | ≥ 7e98d785ae6184c7580a33619dae8b651769ff08, < d38a648d2d6cc7bee11c6f533ff9426a00c2a74c | 5.14
- linux_kernel≥ 5.14, < 5.15.79 | ≥ 5.16, < 6.0.9 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4
Debian1 product
- linux< 6.0.10-1
3 vendors · 99 products